Hacker News

1.		LightSail 2 Spacecraft Successfully Demonstrates Flight by Light (planetary.org)
		221 points by spazz 3 hours ago \| hide \| 77 comments
2.		Filling hospitals with art reduces patient stress, anxiety and pain (designweek.co.uk)
		362 points by rchaudhary 10 hours ago \| hide \| 109 comments
3.		Launch HN: Hatchways (YC S19) – Internships Instead of Interviews
		94 points by jaclynmling 3 hours ago \| hide \| 29 comments
4.		A Raspberry Pi-powered live train station sign (balena.io)
		476 points by chrisys 9 hours ago \| hide \| 111 comments
5.		Most internet service providers are gone – Sonic has survived and thrived (sfchronicle.com)
		90 points by CaliforniaKarl 4 hours ago \| hide \| 55 comments
6.		A Brief Guide to a Few Algebraic Structures (argumatronic.com)
		117 points by edgarvm 5 hours ago \| hide \| 11 comments
7.		A Transparent Display with Per-Pixel Color and Opacity Control (acm.org)
		7 points by fezz 26 minutes ago \| hide \| discuss
8.		LF: Fully Decentralized Fully Replicated Key/Value Store (github.com)
		12 points by api 1 hour ago \| hide \| 1 comment
9.		A Look at Overnight Stays at US National Parks (jordan-vincent.com)
		200 points by skilled 7 hours ago \| hide \| 78 comments
10.		Equifax removed the $125 claim payout option after millions submitted claims (twitter.com)
		244 points by pavel_lishin 3 hours ago \| hide \| 168 comments
11.		TSMC Talks 7nm, 5nm, Yield, and Next-Gen 5G and HPC Packaging (wikichip.org)
		133 points by rbanffy 7 hours ago \| hide \| 58 comments
12.		ThorShield Energy Weapon Protection Fabric (thorshield.com)
		14 points by rolph 1 hour ago \| hide \| 7 comments
13.		Music Recommendations in Hyperbolic Space (arxiv.org)
		21 points by brettds 2 hours ago \| hide \| 1 comment
14.		Tree planting: Where can I do it and which type is best? (bbc.co.uk)
		249 points by pmoriarty 10 hours ago \| hide \| 164 comments
15.		How Sydney destroyed its trams for love of the car (theguardian.com)
		58 points by oska 2 hours ago \| hide \| 35 comments
16.		Cortex – An ML model deployment platform that runs in your AWS account (github.com)
		33 points by ospillinger 2 hours ago \| hide \| 3 comments
17.		Implement mechanism to wait on any of several futexes (lkml.org)
		212 points by yankcrime 10 hours ago \| hide \| 104 comments
18.		The Origin of Most Coal on Earth (2016) (nationalgeographic.com)
		69 points by lordnacho 6 hours ago \| hide \| 39 comments
19.		An F-22 Raptor’s Crumbling Radar Absorbent Skin (thedrive.com)
		159 points by Alupis 10 hours ago \| hide \| 176 comments
20.		Marvin Minsky and the Ultimate Tinker Toy (tinlizzie.org)
		16 points by mpweiher 2 hours ago \| hide \| 1 comment
21.		Graph database reinvented: Dgraph gets $11.5M to pursue unique, opinionated path (zdnet.com)
		136 points by bryanrasmussen 8 hours ago \| hide \| 54 comments
22.		First Programmable Memristor Computer (ieee.org)
		54 points by headalgorithm 6 hours ago \| hide \| 23 comments
23.		Low-level is easy (2008) (yosefk.com)
		22 points by kotrunga 3 hours ago \| hide \| 1 comment
24.		ZRNA – Software-defined analog circuits (zrna.org)
		4 points by audionerd 1 hour ago \| hide \| discuss
25.		An Incremental Approach to Compiler Construction (2006) [pdf] (uchicago.edu)
		47 points by rspivak 5 hours ago \| hide \| 2 comments
26.		Building Payments for an Insurance Startup (moderntreasury.com)
		117 points by saarons 9 hours ago \| hide \| 26 comments
27.		The L.A. Times’ disappointing digital numbers (niemanlab.org)
		14 points by heyyyouu 3 hours ago \| hide \| 11 comments
28.		Why does unsubscribing from a newsletter take “a few days”? (twitter.com)
		173 points by scop 5 hours ago \| hide \| 66 comments
29.		Drama – Draw user interfaces and create interactive prototypes (drama.app)
		142 points by robenkleene 10 hours ago \| hide \| 46 comments
30.		A Single Male Cat’s Reign of Terror (theatlantic.com)
		37 points by pseudolus 5 hours ago \| hide \| 32 comments
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